DTC P058A-01: Auxiliary Battery Monitor Module Range/Performance [06/2018 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK BATTERY STATE SENSOR ASSEMBLY
Result:
NG
INSTALL THE BATTERY STATE SENSOR ASSEMBLY CORRECTLY. Refer to INSTALLATION [06/2018 - ]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Check that the battery state sensor assembly connector is securely connected.
OK
The connector is securely connected.
- Disconnect the R6 battery state sensor assembly connector.
- Check the connector case and terminals for deformation or corrosion.
OK
No deformation or corrosion.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector
(to Battery State Sensor Assembly)Standard Voltage
Tester Connection Condition Specified Condition R6-1 (+B) - Body ground Power switch off 11 to 14 V Result
Proceed to OK NG
Result:
OK
REPLACE BATTERY STATE SENSOR ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - BATTERY STATE SENSOR ASSEMBLY)
- Check that the battery state sensor assembly connector is securely connected.